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Common Test-Ordering Errors
Part 2: Misordered Tests

T & B Cells

T- and B-Cell Quantitation by Flow Cytometry (#9336)

Slide 7

May 2010

But we have found that another test, “T- and B-Cell Quantitation by Flow Cytometry,” is often ordered for AIDS patients. This test, which measures both T and B cells, is often ordered when the more focused and less expensive test of the T cells would suffice. “T- and B-Cell Quantitation” should be ordered when quantitative information is required on both B and T cells. It is a second-order test when evaluating patients with possible immunodeficiency states.

T- and B-Cell Quantitation


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